Here are few scrips and HTML programs that few browser don’t know how to render and as a result they simple crash!

For Internet Explorer, here is the simple script…

Just type it in a Notepad file and then save it as a HTML document, and open it up using Internet explorer, now your IE will crash and will pop up with a message box stating that “Internet Explorer has encountered a problem and needs to close. We are sorry for the Inconvenience”
and here is the POC, that popped up while i was experimenting this….

Google Chrome browser too doesn’t know how to render the HTML form where it contains a :% within an anchor tag and this is already been posted and it now seems that Google has patched it up.
here is the code that chrome doesn’t know how to handle…

type it in a notepad file and open it up with Google Chrome and just hover your mouse pointer on link where it says “crash chrome”, it will crash and will come up with a error pop as below…
and here is the POC while experimenting with Google Chrome….